Siwoo takes peeks at Naeun filming racy content for her secret account in an empty lecture room, he later raids the room and protects her from getting caught. When the strangers leave, he makes a bet with her, and if she loses, Naeun becomes his slave for life.
Siwoo, Yujeong & Yoon Jian enter the dungeon together. In order to clear the dungeon quest, Siwoo needs to give up a certain amount of energy (orgasm) and is made to pick between two rooms to choose a partner. MC ends up with Yoon Jian, and she doesn't hesitate to help with the mission. Yujeong starts masturbating to the view of the two fucking because there's a crystal ball in her room which lets her see what's happening in Jian's room.
Yoosun masturbates using a dildo and sticks vibrator up her arse but it's not enough to satisfy her. She gets out of her bed to drink some water to be surprised that Yunho is there too. They exchange compliments and she tells him about her situation, so Yunho feels for her and breaks the line between them once again.
Chae-Won is masturbating on her bed when the AC Repairman suddenly knocks. Upon letting him in, she starts moaning in pleasure from the vibrator inside her. The repairman leaves and as Chae-Won goes to lock her door, he reappears and catches her in her act. He then pushes her on the bed, undresses her, forcefully fucks and cums inside her.
